Portion of a vehicle exterior



FIG. 1 is a rear perspective view of a portion of a vehicle exterior showing our new design;

FIG. 2 is a front perspective view thereof;

FIG. 3 is front perspective view of the opposite side thereof;

FIG. 4 is a rear perspective view of the opposite side thereof;

FIG. 5 is a side elevational view thereof;

FIG. 6 is a side elevational view of the opposite side thereof; and,

FIG. 7 is a rear elevational view thereof.

The broken line showings of the wheels, tires, fuel door, rear windshield wiper, tail pipes, and the remainder of the vehicle depict environmental subject matter and form no part of the claimed design. 

The ornamental design for a portion of a vehicle exterior, as shown and described. 